Table 6.

Mean and standard error of the mean vitamin values from separable lean tissue ¹ from three ² raw U.S. beef offal items.

Nutrient, Units	Bone Marrow	Testicles	Blood
Retinol (Vitamin A), mcg/g	0.48 ± 0.10	0.05 ± 0.02	0.07 ± 0.02
25-Hydroxy Vitamin D, mcg/100 g	0.45 ± 0.02	0.47 ± 0.04	2.30 ± 0.08
Alpha-Tocopherol (Vitamin E), mcg/g	8.50 ± 3.61	20.23 ± 3.23	2.21 ± 0.12
Phylloquinone (Vitamin K1), ng/g	166.00 ± 36.87	7.93 ± 0.43	0.53 ± 0.03
Vitamin K2 3
Menaquinone-4, ng/g	338.00 ± 43.42	335.83 ± 26.28	0.00
Menaquinone-6, ng/g	-	2.27 ± 2.27	0.73 ± 0.15
Menaquinone-7, ng/g	-	10.57 ± 5.43	1.50 ± 0.00
Menaquinone-8, ng/g	-	-	-
Menaquinone-9, ng/g	23,000.00 ± 1249.00	-	-
Menaquinone-10, ng/g	6124.67 ± 1453.62	-	9.53 ± 0.73
Menaquinone-11, ng/g	52,866.67 ± 2273.27	790.67 ± 60.32	27.40 ± 2.59
Menaquinone-12, ng/g	186.00 ± 76.53	9.37 ± 1.53	17.30 ± 0.35
Menaquinone-13, ng/g	-	94.53 ± 4.45	26.83 ± 0.93

¹ Separable lean tissue includes all lean muscle and organ tissue. ² Vitamin analysis results of other offal items in the study are presented in a separate table. ³ A single dash indicates that the nutrient was below the limit of detection; the limit of detection was not defined.